Description

ND9103HN Neles / Valmet Smart HART Valve Positioner

Technical Specifications

• Product Model: ND9103HN
• Brand: Metso / Neles (Valmet)
• Warranty: One Year
• Input Signal: 4‑20 mA DC, integrated HART 5/6/7 digital communication protocol
• Actuator Compatibility: Linear and rotary, single‑acting / double‑acting pneumatic actuators
• Pilot Valve: Piezo‑electric pilot valve element
• Positioning Accuracy: ≤ ±0.3 % full‑scale stroke
• Supply Air Pressure: 1.4‑7 bar instrument air supply
• Mounting Standard: VDI/VDE 3845 / IEC 60534‑6 standard NAMUR interface
• Enclosure Class: IP67 die‑cast aluminium housing
• Explosion‑proof Rating: Ex ia IIC T6 intrinsically safe, ATEX / IECEx / FM certified
• Operating Temperature: ‑40 °C ~ +85 °C
• Storage Temperature: ‑40 °C ~ +85 °C
• System Compatibility: DCS / PLC systems with HART communication support
• Diagnostics: Auto‑tune stroke calibration, valve‑stick detection, supply‑pressure monitoring, HART remote diagnosis
• Humidity: 5‑95 % RH non‑condensing
• Weight: 1.8 kg
• Dimensions: ND9000‑series smart positioner standard footprint

Product Overview

ND9103HN belongs to ND9000 series smart valve positioner. It receives 4‑20 mA analog signal plus HART digital signal, realizes closed‑loop PID valve‑position control for pneumatic actuators. Supports one‑click auto‑calibration, online valve health diagnosis, remote parameter configuration via HART communicator. Widely applied in petrochemical, power‑plant, pulp‑and‑paper and oil‑gas process‑control loops. Surplus and refurbished tested spare smart positioner for control‑valve maintenance and retrofit projects.

Application Notes

‑ Complete auto‑tune stroke calibration after mounting to actuator. ‑ Use clean dry instrument air supply; install air filter regulator. ‑ Configure HART tag and loop parameters via HART communicator or DCS HART module. ‑ Typical deployment: HART smart valve positioner spare‑part stocking.